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24-03-2017
Mathematics

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A triangle has an area of 45 square units. Its height is 10 units.

What is the length of its base?

Respuesta :

24-03-2017

Area = 1/2 bh
45= 1/2 b 10
45= 5b
Divide by 5
9=b
b=9

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Аноним Аноним

24-03-2017

45=10x÷2
45×2=10x
90=10x
9=x
base is either 1,3,or 9

Answer Link

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